ZIP Code 81527 — Whitewater, CO
81527 is a standard (street delivery) ZIP code serving Whitewater, Colorado, in Mesa County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 81527 at a glance
| ZIP code | 81527 |
|---|---|
| Primary city | Whitewater |
| State | Colorado (CO) |
| County | Mesa FIPS 08077 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,462 |
| Coordinates | 38.757580, -108.524660 |
How ZIP+4 works in 81527
The four digits after the hyphen encode a delivery segment inside 81527. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 81527 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 81527.
| ZIP | City | Distance |
|---|---|---|
| 81507 | Grand Junction, CO | 18.1 mi |
| 81416 | Delta, CO | 18.4 mi |
| 81503 | Grand Junction, CO | 19 mi |
| 81501 | Grand Junction, CO | 21.7 mi |
| 81523 | Glade Park, CO | 22.5 mi |
| 81522 | Gateway, CO | 22.8 mi |
| 81526 | Palisade, CO | 24.4 mi |
| 81520 | Clifton, CO | 24.8 mi |
| 81504 | Grand Junction, CO | 25 mi |
| 81418 | Eckert, CO | 27.1 mi |
| 81506 | Grand Junction, CO | 27.6 mi |
| 81424 | Nucla, CO | 28.9 mi |
Questions about 81527
What is the ZIP+4 code for 81527?
81527 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 81527, you need to look up a specific street address to get them.
What city is 81527?
81527 is assigned to Whitewater, Colorado, in Mesa County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.